解析unicode工具

src/main/scala/tools/unicode/UnicodeUtils.scala

+package tools.unicode
+
+import java.util.regex.Pattern
+
+/**
+ * @ClassName: qm.qiaomeng.jackson
+ * @Description:
+ * @Author:LinYoung
+ * @Date: 2021/3/26
+ * @Time: 13:09
+ */
+object UnicodeUtils {
+
+  /**
+   * 解码
+   * @param str 要解码的字符串
+   * @return 解码后的字符串
+   */
+  def decode(str: String): String = {
+    val pattern = Pattern.compile("(\\\\u(\\p{XDigit}{4}))")
+    val matcher = pattern.matcher(str)
+    var unicode = str
+    while (matcher.find()) {
+      val ch: Char = Integer.parseInt(matcher.group(2), 16).asInstanceOf[Char]
+      unicode = unicode.replace(matcher.group(1), ch + "")
+    }
+    unicode
+  }
+}